/*
 * This program is free software; you can redistribute it and/or modify it under the 
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software 
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this 
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html 
 * or from the Free Software Foundation, Inc., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; 
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * Copyright 2009 Pentaho Corporation.  All rights reserved.
 */
package com.google.code.pentahoflashcharts.charts;

import org.apache.commons.logging.Log;
import org.dom4j.Node;
import org.pentaho.commons.connection.IPentahoResultSet;

/**
 * This interface allows generation of OpenFlashChart Json
 * 
 * @author Will Gorman (wgorman@pentaho.com)
 */
public interface IChartFactory {
  
  /**
   * set the result set to render
   * 
   * @param data result set
   */
  void setData(IPentahoResultSet data);
  
  /**
   * set the xml chart definition
   * 
   * @param chartNode chart definition
   */
  void setChartNode(Node chartNode);
  
  /**
   * set the logger 
   * 
   * @param log logger
   */
  void setLog(Log log);
  
  /**
   * generate ofc json
   * 
   * @return json string
   */
  String convertToJson();
}
